GI,(GL,Hot-dip galvanized steel coils and Hot-dip galvalume steel coil)1, Introduction: galvanized steel coils or galvalume steel coils is the basic metal for producing PPGI ,or used for surface directly,like roofing sheet and so on.2, Product feature: Appearance of a variety of color Antirust and antiseptic,durability,etc.3, Production Process: Deoil→Acid pickling→Drying preheating→Hot-dip galvanizing→Finishing→Passivation4, Application: it is ideal for a wide range of applications,such as pre-engineered buildings, architectural panels, roofing, siding, cladding, and many other building components.and also used back plate of appliance; wide range of construction, furniture industry, transportation industry, etc.GI can be widely used in transportation, light industry, civil usage and farming. It is also the perfect building material in construction for making roofing tile, steel profiles for wall partition, T-bar, studs, fireproof door, air conditioning duct and home appliance.